78103248 has 40 divisors (see below), whose sum is σ = 203323296. Its totient is φ = 25833600.

The previous prime is 78103247. The next prime is 78103279. The reversal of 78103248 is 84230187.

It is a super-2 number, since 2×78103248² = 12200234696299008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78103247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 12498.

Almost surely, 2^78103248 is an apocalyptic number.

It is an amenable number.

78103248 is an abundant number, since it is smaller than the sum of its proper divisors (125220048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78103248 is a wasteful number, since it uses less digits than its factorization.

78103248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563 (or 12557 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 78103248 is about 8837.6042002344. The cubic root of 78103248 is about 427.4543078965.

The spelling of 78103248 in words is "seventy-eight million, one hundred three thousand, two hundred forty-eight".